OFFSET
1,3
LINKS
Eric M. Schmidt, Table of n, a(n) for n = 1..1000
EXAMPLE
a(3) = 9 = (9)_18 since 9^2 = 81 = (49)_18 ends with 9 in base 18.
a(4) = 10 = (A)_18 since 10^2 = 100 = (5A)_18 ends with A in base 18.
a(5) = 81 = (49)_18 since 81^2 = 6561 = (1249)_18 ends with 49 in base 18.
PROG
(Sage) # See A003226. - Eric M. Schmidt, Feb 09 2014
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Martin Renner, Dec 06 2011
EXTENSIONS
More terms from Eric M. Schmidt, Feb 09 2014
STATUS
approved